Conversion method for colour like of television picture

A color space conversion and image technology, applied in the direction of color signal processing circuits, etc., can solve the problem of unable to meet the requirements of color change, achieve the effect of flexible and accurate adjustment, and avoid distortion

Inactive Publication Date: 2005-11-09
SHENZHEN SKYWORTH RGB ELECTRONICS CO LTD
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AI Technical Summary

Problems solved by technology

However, TVs currently on the market (especially TVs using new display devices, such as LCDTV, PDPTV, DLPTV...) cannot display high-quality displays due to various problems.
[0003] Sometimes people often want to adjust some specific display colors locally, such as human skin color, blue sky, green grass, etc.

Method used

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  • Conversion method for colour like of television picture
  • Conversion method for colour like of television picture
  • Conversion method for colour like of television picture

Examples

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[0013] The method of TV image preference color space conversion includes the following steps: firstly, select the color range to be processed, the color range to be processed includes brightness range, hue range, and saturation range; then set the target corresponding to the color range to be processed Color range: The target color range and the color range to be processed have the same brightness, which is obtained by adjusting the hue and saturation of the color range to be processed. Detect the color information of each pixel in the input image signal, and when it belongs to the determined color range to be processed, convert it to the corresponding target color range, such as figure 1 As shown, the processed image signal is output again. If it does not belong to the determined color range to be processed, no processing is performed.

[0014] Specific implementation case: The setting range of brightness, saturation, and hue of the color range to be processed are all 0~31.75 (t...

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Abstract

This invention discloses a conversion method for the favorite TV picture color space including the following steps: first of all, selecting the armed color sphere including a brightness sphere, a tone sphere and a saturation sphere, then setting corresponding target color sphere to test the color information of each pixel in the input image signals and convert it to the corresponding target color sphere when it belongs to the armed color sphere then to output the determined processed image signals.

Description

【Technical field】 [0001] The invention relates to a TV image processing technology, in particular to a TV image preferred color space conversion method. 【Background technique】 [0002] In recent years, the development of digital TV broadcasting has been very rapid. The United States, Japan, Europe and other developed countries have entered the stage of fully implementing digital TV broadcasting. The United States is not only committed to increasing high-definition digital TV programs, but also decided to completely stop broadcasting analog TV, while many large and medium-sized cities in my country have launched cable high-definition digital TV, and at the same time, it is determined that analog TV will be completely stopped in 2015. Since the transmission of digital TV will hardly damage the program quality, the user can get the signal quality almost equal to that of the studio at home. However, the TVs currently on the market (especially TVs using new display devices, such ...

Claims

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Application Information

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IPC IPC(8): H04N9/64
Inventor 李鸿安李海鹰沈思宽郭明海刘志明卢铁军江润
Owner SHENZHEN SKYWORTH RGB ELECTRONICS CO LTD
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